Library reading room

Stephen H. Hart Research Center

Virtual Assistance

We provide virtual assistance for your research needs, whether you are just starting out on your research journey, need help identifying the types of materials you seek for your research objectives, or you have specific research questions. Email or call on a Wednesday, Thursday, Friday, or select Saturday* between 10-3pm at (303)866-2305 to connect with us.

Research Appointments

Already know the specific item(s) you'd like to see? The Stephen H. Hart Research Center is now open for in-person research. Appointments must be requested and approved 72 hours (3 business days) prior to the date of intended appointment. 

Please note the appointment schedule has shifted to Wednesdays, Thursdays, Fridays, as well as two Saturdays a month*

*2021 Saturday Appointment dates: 8/14/2021, 8/28/2021, 9/11/2021, 9/25/2021, 10/9/2021, 10/23/2021, 11/6/2021, 11/20/2021, 12/4/2021, 12/18/2021

Please fill out this form to request an in-person appointment only after you have identified the items you would like to view.

Questions? Email


Please select from the following to engage our services:


To get your research started, it may be helpful to explore our collection. We recommend searching our online collection for your research topic using a variety of search terms. Although currently limited, we also offer a research service for the History Colorado collection for a fee. 

If you need assistance with your research,  please email us at where a staff member will field your request M-F 10am-4pm or give us a call on a Monday, Wednesday, or Friday from 10am-3pm at (303)866-2305.

A woman, possibly Blanche M. McFann, sits at a desk in an office at the Mountain States Telephone and Telegraph building at 1421 Champa Street in Denver, Colorado.

A woman, possibly Blanche M. McFann, associated with the operator's training school program of the Mountain States Telephone Company. (Object ID: 90.259.14)

Request a Reproduction

If you are requesting a reproduction, please search the online collection first, and then fill out a reproduction request form and submit it to Learn more about reproduction services and policies.

Please note that some orders may be delayed at this time, and we appreciate your patience.

Plan a Visit to the Reading Room

The Stephen H. Hart Research Center is free of charge and open to the public via an appointment system (see top of page for appointment dates). Archives, photographs, and artifacts are available (some restrictions apply) for viewing and research in the Janis Falkenberg Reading Room in the Stephen H. Hart Research Center. The Research Center is located on the 2nd floor of the History Colorado Center at 1200 Broadway.

To request an appointment, please identify items to be viewed using our online collection or via connecting with us in Once items of interest have been identified, then please fill out this form to request an appointment. Appointments must be requested and approved 72 hours (3 business days) prior to the date of intended appointment, so please plan accordingly.

Prior to entering the Stephen H. Hart Research Center and the Janis Falkenberg Reading Room, please deposit personal belongings into the quarter return lockers outside the Research Center. Items too large for the lockers can be left with the Security Department on the 1st floor. You will be asked to show identification at the Research Center desk. Please have clean hands (no lotion or sanitizer) prior to handling materials. Once you are checked in, you will be shown to your research materials.

In the meantime, enjoy some new offerings in The Collection and in our Digital Experiences including our InSights & InPerson program series.

We are here to help!  
Please email us at if you need research assistance.